DUID 00:04:e3:38:52:80:67:3f:e9:c9:a2:47:22:a3:59:23:7d:1e forked to background, child pid 5484 [ 54.727045][ T5485] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.761128][ T5485] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.13' (ED25519) to the list of known hosts. executing program syzkaller login: [ 82.682002][ T5814] loop0: detected capacity change from 0 to 32768 [ 82.722513][ T5814] syz-executor115: attempt to access beyond end of device [ 82.722513][ T5814] loop0: rw=2049, sector=4680032, nr_sectors = 8 limit=32768 [ 82.739724][ T5814] syz-executor115: attempt to access beyond end of device [ 82.739724][ T5814] loop0: rw=1, sector=4680032, nr_sectors = 8 limit=32768 [ 82.755125][ T5814] metapage_write_end_io: I/O error [ 82.760441][ T5814] ERROR: (device loop0): release_metapage: metapage_write_one() failed [ 82.760441][ T5814] [ 82.771851][ T5814] ERROR: (device loop0): remounting filesystem as read-only [ 82.779982][ T5814] blkno = 8ed2c, nblocks = 1 [ 82.784598][ T5814] ERROR: (device loop0): dbUpdatePMap: blocks are outside the map [ 82.784598][ T5814] [ 82.796746][ T5814] ERROR: (device loop0): dbAlloc: the hint is outside the map [ 82.796746][ T5814] [ 82.806842][ T5814] syz-executor115[5814]: segfault at 0 ip 00007f276228621e sp 00007ffeed981ef8 error 4 in syz-executor1158042651[3921e,7f2762256000+7f000] likely on CPU 1 (core 0, socket 0) [ 82.824244][ T5814] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 82.855645][ T5814] ------------[ cut here ]------------ [ 82.861247][ T5814] kernel BUG at fs/jfs/inode.c:169! [ 82.866609][ T5814] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 82.872894][ T5814] CPU: 1 UID: 0 PID: 5814 Comm: syz-executor115 Not tainted 6.15.0-rc3-syzkaller-00342-g5bc1018675ec #0 PREEMPT(full) [ 82.885325][ T5814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 82.895385][ T5814] RIP: 0010:jfs_evict_inode+0x438/0x440 [ 82.900939][ T5814] Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 17 fe ff ff 4c 89 f7 e8 a3 26 ec fe e9 0a fe ff ff e8 69 57 8c fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 82.920636][ T5814] RSP: 0000:ffffc9000414f720 EFLAGS: 00010293 [ 82.926708][ T5814] RAX: ffffffff83336677 RBX: ffff88807c338d68 RCX: ffff88802fab1e00 [ 82.934676][ T5814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807c338d68 [ 82.942749][ T5814] RBP: 0000000000000001 R08: ffffffff8f7d9f77 R09: 1ffffffff1efb3ee [ 82.950729][ T5814] R10: dffffc0000000000 R11: ffffffff83334410 R12: dffffc0000000000 [ 82.958709][ T5814] R13: dffffc0000000000 R14: ffff88807c3389f0 R15: ffffffff83336240 [ 82.966782][ T5814] FS: 0000000000000000(0000) GS:ffff888126202000(0000) knlGS:0000000000000000 [ 82.975762][ T5814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.982453][ T5814] CR2: 0000000000000000 CR3: 000000000dd36000 CR4: 00000000003526f0 [ 82.990439][ T5814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.998436][ T5814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.006506][ T5814] Call Trace: [ 83.009794][ T5814] [ 83.012763][ T5814] ? evict+0x4f8/0x9c0 [ 83.016855][ T5814] ? __pfx_jfs_evict_inode+0x10/0x10 [ 83.022162][ T5814] evict+0x501/0x9c0 [ 83.026075][ T5814] ? __pfx_evict+0x10/0x10 [ 83.030504][ T5814] ? do_raw_spin_unlock+0x122/0x240 [ 83.035715][ T5814] evict_inodes+0x636/0x6c0 [ 83.040265][ T5814] ? __pfx_evict_inodes+0x10/0x10 [ 83.045316][ T5814] generic_shutdown_super+0x9a/0x2c0 [ 83.050622][ T5814] kill_block_super+0x44/0x90 [ 83.055365][ T5814] deactivate_locked_super+0xb9/0x130 [ 83.060801][ T5814] cleanup_mnt+0x425/0x4c0 [ 83.065231][ T5814] ? lockdep_hardirqs_on+0x9c/0x150 [ 83.070481][ T5814] task_work_run+0x1d1/0x260 [ 83.075087][ T5814] ? __pfx_task_work_run+0x10/0x10 [ 83.080242][ T5814] ? kmem_cache_free+0x192/0x3f0 [ 83.085220][ T5814] do_exit+0x8d6/0x2550 [ 83.089393][ T5814] ? __pfx_do_exit+0x10/0x10 [ 83.094004][ T5814] ? proc_coredump_connector+0x172/0x4b0 [ 83.099655][ T5814] ? __pfx_proc_coredump_connector+0x10/0x10 [ 83.105672][ T5814] do_group_exit+0x21c/0x2d0 [ 83.110270][ T5814] ? lockdep_hardirqs_on+0x9c/0x150 [ 83.115482][ T5814] get_signal+0x125e/0x1310 [ 83.120001][ T5814] arch_do_signal_or_restart+0x95/0x780 [ 83.125558][ T5814] ? rcu_is_watching+0x15/0xb0 [ 83.130329][ T5814] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 83.136489][ T5814] ? __bad_area_nosemaphore+0x3fb/0x780 [ 83.142048][ T5814] ? local_irq_enable_exit_to_user+0x5/0x10 [ 83.147949][ T5814] irqentry_exit_to_user_mode+0x81/0x120 [ 83.153627][ T5814] exc_page_fault+0x91/0x110 [ 83.158233][ T5814] asm_exc_page_fault+0x26/0x30 [ 83.163097][ T5814] RIP: 0033:0x7f276228621e [ 83.167526][ T5814] Code: Unable to access opcode bytes at 0x7f27622861f4. [ 83.174542][ T5814] RSP: 002b:00007ffeed981ef8 EFLAGS: 00010287 [ 83.180728][ T5814] RAX: 00007ffeed981f90 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.188790][ T5814] RDX: 00000000000000e0 RSI: 0000000000000000 RDI: 00007ffeed981f90 [ 83.196762][ T5814] RBP: 00002000000079c0 R08: 00000000000000e0 R09: 0000000000000000 [ 83.204734][ T5814] R10: 0000000000005412 R11: 0000000000000246 R12: 0000200000007a00 [ 83.212710][ T5814] R13: 00007ffeed981f90 R14: 0000000000000000 R15: 0000000000000000 [ 83.220689][ T5814] [ 83.223715][ T5814] Modules linked in: [ 83.227754][ T5814] ---[ end trace 0000000000000000 ]--- [ 83.233308][ T5814] RIP: 0010:jfs_evict_inode+0x438/0x440 [ 83.241526][ T5814] Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 17 fe ff ff 4c 89 f7 e8 a3 26 ec fe e9 0a fe ff ff e8 69 57 8c fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 83.261598][ T5814] RSP: 0000:ffffc9000414f720 EFLAGS: 00010293 [ 83.267740][ T5814] RAX: ffffffff83336677 RBX: ffff88807c338d68 RCX: ffff88802fab1e00 [ 83.275828][ T5814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807c338d68 [ 83.283845][ T5814] RBP: 0000000000000001 R08: ffffffff8f7d9f77 R09: 1ffffffff1efb3ee [ 83.291899][ T5814] R10: dffffc0000000000 R11: ffffffff83334410 R12: dffffc0000000000 [ 83.299939][ T5814] R13: dffffc0000000000 R14: ffff88807c3389f0 R15: ffffffff83336240 [ 83.307979][ T5814] FS: 0000000000000000(0000) GS:ffff888126202000(0000) knlGS:0000000000000000 [ 83.316959][ T5814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.323537][ T5814] CR2: 0000000000000000 CR3: 000000000dd36000 CR4: 00000000003526f0 [ 83.331539][ T5814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.339552][ T5814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.347569][ T5814] Kernel panic - not syncing: Fatal exception [ 83.353946][ T5814] Kernel Offset: disabled [ 83.358278][ T5814] Rebooting in 86400 seconds..